Malware Analysis Report

2025-01-18 04:54

Sample ID 241020-qc53qs1gqn
Target d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN
SHA256 d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3e
Tags
revengerat guest discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3e

Threat Level: Known bad

The file d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN was found to be: Known bad.

Malicious Activity Summary

revengerat guest discovery trojan

RevengeRAT

Drops startup file

Checks computer location settings

Deletes itself

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-20 13:07

Signatures

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-20 13:07

Reported

2024-10-20 13:10

Platform

win7-20240729-en

Max time kernel

118s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe"

Signatures

RevengeRAT

trojan revengerat

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bcd.url C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2328 set thread context of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2328 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\SysWOW64\cmd.exe
PID 2328 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\SysWOW64\cmd.exe
PID 2328 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\SysWOW64\cmd.exe
PID 2328 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\SysWOW64\cmd.exe
PID 2556 wrote to memory of 3008 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2556 wrote to memory of 3008 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2556 wrote to memory of 3008 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2556 wrote to memory of 3008 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe

"C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe & exit

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -t 0

Network

Country Destination Domain Proto
US 8.8.8.8:53 flames.hernetek.com udp

Files

memory/2328-0-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/2560-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2560-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2560-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2560-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2560-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2560-13-0x0000000073C12000-0x0000000073C14000-memory.dmp

memory/2560-14-0x0000000073C12000-0x0000000073C14000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-20 13:07

Reported

2024-10-20 13:10

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe"

Signatures

RevengeRAT

trojan revengerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bcd.url C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4708 set thread context of 3240 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4708 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4708 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4708 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4708 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4708 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 4708 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\SysWOW64\cmd.exe
PID 4708 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\SysWOW64\cmd.exe
PID 4708 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe C:\Windows\SysWOW64\cmd.exe
PID 3636 wrote to memory of 3936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 3636 wrote to memory of 3936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 3636 wrote to memory of 3936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe

"C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\d501d27e1fbaeb2616d25c7c62d532a8a0d0f6f9aa8cbaa1b5d643c3a4936f3eN.exe & exit

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -t 0

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 flames.hernetek.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 flames.hernetek.com udp

Files

memory/4708-0-0x0000000003810000-0x0000000003811000-memory.dmp

memory/3240-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3240-9-0x0000000073AF2000-0x0000000073AF3000-memory.dmp

memory/3240-10-0x0000000073AF0000-0x00000000740A1000-memory.dmp

memory/3240-11-0x0000000073AF0000-0x00000000740A1000-memory.dmp

memory/3240-12-0x0000000073AF2000-0x0000000073AF3000-memory.dmp

memory/3240-13-0x0000000073AF0000-0x00000000740A1000-memory.dmp

memory/3240-14-0x0000000073AF0000-0x00000000740A1000-memory.dmp